2 // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
7 #ifndef COMPILER_PREPROCESSOR_DIRECTIVE_HANDLER_H_
8 #define COMPILER_PREPROCESSOR_DIRECTIVE_HANDLER_H_
15 struct SourceLocation;
17 // Base class for handling directives.
18 // Preprocessor uses this class to notify the clients about certain
19 // preprocessor directives. Derived classes are responsible for
20 // handling them in an appropriate manner.
21 class DirectiveHandler
24 virtual ~DirectiveHandler();
26 virtual void handleError(const SourceLocation &loc,
27 const std::string &msg) = 0;
29 // Handle pragma of form: #pragma name[(value)]
30 virtual void handlePragma(const SourceLocation &loc,
31 const std::string &name,
32 const std::string &value,
35 virtual void handleExtension(const SourceLocation &loc,
36 const std::string &name,
37 const std::string &behavior) = 0;
39 virtual void handleVersion(const SourceLocation &loc,
44 #endif // COMPILER_PREPROCESSOR_DIRECTIVE_HANDLER_H_